Fuel pressure regulators have long been used on electronic fuel injection systems. They govern pressure in the fuel rail, ensuring there is an ample supply of fuel for the injectors, and send excess fuel back to the fuel pump through a return line. These regulators deliver satisfactory performance – as long as the rest of the fuel system remains in factory stock configuration. But install larger injectors, forced induction, a high volume fuel pump or other mods, and the OE regulator becomes inadequate.

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    • (0 reviews)
      # mpn3589115814
      35-65 PSI EFI Adjustable Fuel Pressure Regulator by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      Adjustable From 35-65 PSICNC Machined Billet Aluminum for Great Looks and Durability
      $175.20
    • (0 reviews)
      # sp3521
      Fuel Pressure Regulator by JET®. Installed product is non-returnable. This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art technology and with customers in mind. It will meet...
      Designed to adjust fuel pressure for maximum efficiencyMachined out of billet aluminum
      $86.21 - $110.21
    • (0 reviews)
      # sp2581
      Adjustable Fuel Pressure Regulator by AEM®. AEM's Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. AEM patented interchangeable discharge ports enable the regulator's...
      Adjustable from 20 psi to maximum fuel pump capacityInterchangeable discharge ports match regulator output to output of any fuel pump
      $132.37 - $145.41
    • (0 reviews)
      # mpn358595075
      A1000 Injected Bypass Regulator by Aeromotive®. Performance EFI regulator designed for medium to high horsepower applications. This regulators features Aeromotive's high-flow design, superb pressure control and legendary...
      Base pressure adjustable from 40-75 PSIGasoline and alcohol compatible
      $216.50
    • (0 reviews)
      # sp28596
      Billet Adjustable Regulator by Aeromotive®. Billet adjustable regulators specifically designed for Honda and Acura engines to provide fully adjustable base fuel pressure. These regulators are direct bolt-on for engines with the...
      Adjustable from 30-70 PSIConnects directly to the stock fuel rail and return line
      $256.12
    • (0 reviews)
      # sp28599
      Fuel Pressure Regulator by Aeromotive®. Originally developed with the GM LT-1 engine specs in mind, these regulators were designed to keep these cars performing at their peak potential. These rail mount EFI regulators fit a...
      Adjustable from 30-70 PSIFuel pressure rises on a 1:1 ratio when referencing boost
      $235.73
    • (0 reviews)
      # sp28606
      Platinum Series Rail Mount Regulator by Aeromotive®.
      High quality at an affordable priceExpertly made from premium materials
      $195.81
    • (0 reviews)
      # sp28607
      Rail Mount Regulator by Aeromotive®. Adjustable billet fuel pressure regulators designed to handle the demands of the Ford 4.6L, 5.0L and 5.4L engines. Installs easily on the stock factory fuel rail.
      Adjustable from 30-70 PSIFuel pressure rises on a 1:1 ratio when referencing boost
      $178.02
    • (0 reviews)
      # sp22855
      Sprint Booster by aFe®. For vehicles with electronic control (ETC) systems, or drive by wire, this device plugs into the OE connector located behind the accelerator pedal. It is a simple installation, requiring no cutting of any...
      Reduces throttle response timeImproved acceleration
      $299.00
    • (0 reviews)
      # sp29358
      Adjustable Fuel Pressure Regulator by Blox Racing®. The BLOX Racing adjustable fuel pressure regulator (FPR) is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units. This billet...
      High quality at an affordable priceExpertly made from premium materials
      $40.00
    • (0 reviews)
      # sp34235
      Pressure Regulators by Accel®. Designed utilizing the latest technology, this product by Accel features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Premium quality pressure regulators provide stable fuel pressure under the most demanding conditionsAdjustable fuel pressure regulators allow adjustments for increased fuel volume & superior fuel atomization
      $72.46 - $86.12
    • (0 reviews)
      # sp38654
      Fuel Regulator by Fast®. OEM-Type Fuel Pressure Regulator. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $104.38
    • (0 reviews)
      # sp12188
      Fuel Pressure Regulator Kit by PERRIN Performance®. The PERRIN Fuel Pressure Regulator is designed with adjustability and high-flow fuel regulation in mind that works with fuel systems ranging from stock setups to 1000+ horsepower...
      Fits stock engines and heavily modified enginesCan be adjusted from 20 psi to maximum fuel pump capacity
      $299.70
    • (0 reviews)
      # mpn358495983
      Fuel Pressure Regulator 35-65 psi by Holley®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $113.95
    • (0 reviews)
      # mpn620678568
      Fuel Pressure Regulator 35-65 psi by Holley®. The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system...
      Single Plane with Isolated PlenumSquare Bore Carburetor Mounting Flange
      $208.95
    • (0 reviews)
      # sp2399
      Blue Anodized Billet Aluminum Fuel Pressure Regulator by BBK Performance®. BBK billet fuel pressure regulators are a great way to tune your vehicle to obtain optimum air / fuel ratios and achieve maximum horsepower. Each fuel...
      Great For Mild To Wild ApplicationsCNC Machined Billet Aluminum
      $59.99 - $119.99
    • (0 reviews)
      # sp28600
      Fuel Pressure Sensor Adapter by Aeromotive®. Ford Fuel Pressure Sensor Adapter Log contains two piece ORB-08 Ports. More area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other...
      High quality at an affordable priceExpertly made from premium materials
      $62.93 - $105.21
    • (0 reviews)
      # mpn457938605
      Fuel Pressure Sensor Relocation Kit by Aeromotive®. This product is made of high-quality materials to sere you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $190.39
    • (0 reviews)
      # sp21993
      Fuel Pressure Regulator Adapter by Radium®. These billet 6061 aluminum adapter fittings allow an OEM Mitsubishi fuel pressure regulator to be reused in an application other than the OEM fuel rail. It features 3/8" NPT male threads...
      High quality at an affordable priceExpertly made from premium materials
      $33.20
    • (0 reviews)
      # sp32064
      Polished Stainless Line Kit for Holley Regulator by AED Performance®. AED Performance offers a full line of parts and accessories to help get the maximum performance from your application.
      High quality at an affordable priceExpertly made from premium materials
      $74.82
    • (0 reviews)
      # mpn1691783
      Commandflo Fuel Flow Rate Adjuster by B&M®. Clear Anodized Aluminum Finish. The CommandFlo is a billet aluminum fuel flow modifier that allows adjustment of the fuel flow rate to properly tune the air/fuel ratio. Ideal for use with...
      CNC machined 6061-T6 billet aluminum caseWill fit most fuel rails with NR-1 regulator
      $59.25
    • (0 reviews)
      # sp9091
      Adjustable Fuel Pressure Regulator by Hypertech®. Hypertech’s adjustable fuel pressure regulator allows you to precisely set fuel pressure to factory specifications, assuring a perfect air/fuel ratio, as well the ability to fine...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $68.64 - $128.04
    • (0 reviews)
      # sp39536
      Fuel Pressure Regulator Adapter by GReddy®. GReddy Universal Fuel Inectors are known to have reliable high capacity flow with an excellent spray pattern. These universal style low impedance (peak-hold) units come in 3 popular high...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle
      $42.75
    • (0 reviews)
      # sp29812
      Regulated Fuel Return by Sinister Diesel®. The Sinister Diesel Regulated Fuel Return Kit is constructed of CNC machined billet aluminum parts and stainless steel braided fuel lines with nickel plated fittings. The Sinister Diesel...
      High quality at an affordable priceExpertly made from premium materials
      $699.00
    • (0 reviews)
      # 58958148
      Universal 525 Series Adjustable Fuel Pressure Regulator by Fuelab®. Fuelab™ 525 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings...
      Easy insallation in extremely tight locations-6AN inlet and -6AN return port in-line
      +3
      $12.84 - $164.36
    • (0 reviews)
      # mpn107992760
      Universal Heavy Duty Fuel Pressure Regulator Diaphragm by JET®. JET Performance Adjustable Fuel Pressure Regulators allow adjusting fuel pressure for maximum efficiency and horsepower gains. Regulators feature a steel insert on the...
      Heavy Duty Fuel Pressure Regulator DiaphragmReplacement For PN[61510]/Stock Regulator Housing
      $31.46
    • (0 reviews)
      # 261552999
      Universal Adjustable Fuel Pressure Regulator by AEM®. Increasing fuel flow to your engine means more than just installing bigger injectors. This adjustable fuel pressure regulator can provide enough fuel for an engine making 1000...
      Capable of supporting enough fuel flow for engines making up to 1000 horsepowerAdjustable from 20 psi to maximum fuel pump capacity
      $125.76
    • (0 reviews)
      # 134419250
      Universal 2-Port Adjustable Fuel Pressure Regulator by Blox Racing®. The BLOX Racing adjustable fuel pressure regulator (FPR) is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units....
      High quality at an affordable priceExpertly made from premium materials
      +2
      $96.00
    • (0 reviews)
      # 134419251
      Universal 3-Port Adjustable Fuel Pressure Regulator by Blox Racing®. The BLOX Racing adjustable fuel pressure regulator (FPR) is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units....
      High quality at an affordable priceExpertly made from premium materials
      $96.00
    • (0 reviews)
      # 134419257
      Universal Adjustable Fuel Pressure Regulator by Blox Racing®. The BLOX Racing adjustable fuel pressure regulator (FPR) is an affordable and easy-to-install alternative to those complicated and expensive aftermarket units. This...
      High quality at an affordable priceExpertly made from premium materials
      $40.00
    • (0 reviews)
      # 134419333
      Universal Type-A Fuel Management Unit by Blox Racing®. The BLOX Racing FMU is designed for use on fuel injected, forced induction vehicles using the OEM electronic engine management system. As with any forced induction application,...
      High quality at an affordable priceExpertly made from premium materials
      +3
      $120.00
    • (0 reviews)
      # 134419334
      Universal Type-B Fuel Management Unit by Blox Racing®. Gold. The BLOX Racing FMU is designed for use on fuel injected, forced induction vehicles using the OEM electronic engine management system. As with any forced induction...
      High quality at an affordable priceExpertly made from premium materials
      $128.00
    • (0 reviews)
      # 62611865
      Universal 5050 Series Diesel Fuel Pressure Regulator by Fuelab®. Are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. The 50502 Series Fuel Pressure...
      Two -10AN inlet ports and one -6AN return portGasoline, diesel, methanol, and ethanol fuel compatible
      $160.00
    • (0 reviews)
      # 59137352
      Universal 529 Series Electronic Fuel Pressure Regulator by Fuelab®. Our new Fuelab™ Electronic Fuel Pressure Regulator works directly with our Prodigy line of fuel pumps to reduce heat build up and vapor lock conditions. Set the...
      Works with Fuelab™ Prodigy fuel pumps (41401,41402,41403,42401 and 42402 Only)Patented method for demand based flow control, able to detect changes in demand before change in rail pressure is realized. U.S. Patent 7,810,470
      +3
      $394.78
    • (0 reviews)
      # 59829765
      Universal 565 Series High Flow Fuel Presure Regulator by Fuelab®. Fuelab™ 565 Series Fuel Pressure Regulators have all of the same great Benefits as our 515/525 Series except for extreme capacity. Utilizing a massive ½" return...
      Two -10AN inlet ports and one -10AN return port1.75" sized diaphragm with 1/2" return orifice
      $298.54
    • (0 reviews)
      # 58958153
      Universal 575 Series Carbureted Blocking Style Fuel Pressure Mini Regulator by Fuelab®. Fuelab™ 575 Series Fuel Pressure Regulators are true precision instruments designed to regulate fuel. These units feature an advanced poppet...
      A true precision instrument to regulate fuelAdvanced poppet design for smooth regulating capability
      +3
      $168.60
    • (0 reviews)
      # 59829766
      Universal 585 Series Carbureted Blocking Style Fuel Pressure Regulator by Fuelab®. Fuelab™ 585 Series 4 Port Fuel Pressure Regulators utilize a soft seat design to eliminate pressure creep and are also methanol and E85...
      Gasoline, Diesel, methanol and ethanol fuel compatibleAdvanced poppet design for smooth regulating capability
      $229.50
    • (0 reviews)
      # mpn358594109
      Universal Four Port and Large Two Port Regulator Diaphragm Kit by MagnaFuel®. For Four Port and Large Two Port Regulators. This product is made of high-quality materials to sere you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $22.27
    • (0 reviews)
      # 92832369
      Universal Four-Port Regulator Kit by MagnaFuel®. Use this fitting kit on your four-port Regulator. All fittings include O-Rings. This product is made of high-quality materials to sere you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $45.22 - $50.14
    • (0 reviews)
      # mpn358594125
      Universal Four-port EFI 1:1 Boost Reference Regulator Kit by MagnaFuel®. Guided-metering valve provides precise control, requires less maintenance. Use this fitting kit on your two-port Regulator. All fittings include O-rings. This...
      Unique guided-metering valve assembly provides accurate metering of fuel flowMagnafuel EFI Regulators provide the most stable platform for fuel delivery in the performance industry
      $284.07
    • (0 reviews)
      # 92832385
      Universal ProStar Large 2-Port EFI Regulator Kit by MagnaFuel®. Guided-metering valve provides precise control, requires less maintenance. Use this fitting kit on your two-port Regulator. All fittings include O-rings. This product...
      Unique guided-metering valve assembly provides accurate metering of fuel flowMagnafuel EFI Regulators provide the most stable platform for fuel delivery in the performance industry
      $244.50 - $247.04
    • (0 reviews)
      # 92832419
      Universal QuickStar 2-Port EFI Regulator Kit by MagnaFuel®. Guided-metering valve provides precise control, requires less maintenance. Use this fitting kit on your two-port Regulator. All fittings include O-rings. This product is...
      Unique guided-metering valve assembly provides accurate metering of fuel flowMagnafuel EFI Regulators provide the most stable platform for fuel delivery in the performance industry
      $154.58 - $164.80
    • (0 reviews)
      # 92832426
      Universal Racing Carbureted Regulator by MagnaFuel®. Fast response, low maintenance. Includes Mounting Bracket. Regulator made from Aluminum. This product is made of high-quality materials to sere you for years to come. Designed...
      MagnaFuel unique cartridge design provides the most stable platform for fuel delivery in the performance industryDurable metal to metal seat for instantaneous response and low maintenance
      $38.13 - $431.49
    • (0 reviews)
      # mpn358594116
      Universal Regulator Diaphragm Kit by MagnaFuel®. For Standard Two Port Regulators. This product is made of high-quality materials to sere you for years to come. Designed using state-of-the-art technology and with customers in mind....
      High quality at an affordable priceExpertly made from premium materials
      $23.18
    • (0 reviews)
      # 92832445
      Universal Two-Port Regulator Kit by MagnaFuel®. Carb & EFI. Use this fitting kit on your two-port Regulator. All fittings include O-Rings. This product is made of high-quality materials to sere you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $32.17 - $36.14
    • (0 reviews)
      # 102569643
      Universal Fuel Pressure Regulator by Radium®. Includes: Billet 6061 Aluminum Housing, -6AN Male O-ring Adapter Fitting, 9/16-18 O-ring Plug Fitting, 1/8-27 NPT Port Plug, Integrated -6AN Male Return Port, Stainless Steel Mounting...
      High quality at an affordable priceExpertly made from premium materials
      $104.45 - $160.50
    • (0 reviews)
      # 102569692
      Universal Multi-Pump Fuel Pressure Regulator by Radium®. Included: Multi-pump regulator, Mounting bracket with hardware, Three interchangeable orifices, 9/16"-18 (-6AN) O-ring port plug (x2), 3/4"-16 (-8AN) O-ring port plug (x1),...
      High quality at an affordable priceExpertly made from premium materials
      $218.45
    • (0 reviews)
      # 66967902
      Universal Fuel Regulator by BTP®. This supreme part by BTP helps to provide reliable performance of the fuel system of your vehicle. Made from durable materials, it ensures high quality and extraordinary reliability. This part will...
      Designed to provide maximum performance of your fuel systemMade from premium materials
      $22.22
    • (0 reviews)
      # mpn358502528
      Universal Fuel Pressure Regulator by Fast®. 30-70 PSI Adjustable Fuel Pressure Regulator, -6 SAE O-Ring Ports (1 Return, 2 Feeds). The FAST™ Adjustable Fuel Pressure Regulator is a premium aluminum regulator designed to exact...
      High quality at an affordable priceExpertly made from premium materials
      $134.13
    • (0 reviews)
      # mpn1496595276
      Universal Atomic Fuel Pressure Regulator by MSD®. Flows 2.2 GPM. Type: -6AN Inlet And Dual -6AN Outlets. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than...
      Flows 2.2 GPM-6AN inlet and dual -6AN outlets
      $195.95
    • (0 reviews)
      # mpn3402192805
      Universal Edelbrock™ Adjustable Fuel Pressure Regulator by Russell®. Fuel Regulator #1789 is ideal for providing consistent pressure in Edelbrock 94 or other low pressure carburetor applications. It features two 3/8" NPT outlets,...
      Perfect for automotive or powersports applicationsDesigned to help get the most out of your vehicle
      $88.35
    • (0 reviews)
      # 294292974
      Universal Edelbrock™ Carb Fuel Pressure Regulator by Russell®. These fuel pressure regulators are machined from aircraft quality aluminum for those who demand the best. They have fluorosilicone diaphragm material for extended...
      Perfect for automotive or powersports applicationsDesigned to help get the most out of your vehicle
      +1
      $129.16 - $162.41
    • (0 reviews)
      # 294293044
      Universal Edelbrock™ EFI Fuel Pressure Regulator by Russell®. These fuel pressure regulators are machined from aircraft quality aluminum for those who demand the best. They have a diaphragm made of fluorosilicone for extended...
      Perfect for automotive or powersports applicationsDesigned to help get the most out of your vehicle
      +1
      $148.97 - $168.83
    • (0 reviews)
      # mpn3402192211
      Universal Edelbrock™ High-Flow Carb Fuel Pressure Regulator by Russell®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...
      Features six -6 AN inlet/outlet ports and one -6 AN return portPressure regulation slope is 0.75 PSI/gal of flow rate change
      $214.26
    • (0 reviews)
      # mpn474700561
      Universal Billet Carbureted Fuel Pressure Regulator by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...
      Carbureted handles pressure range from 3-12 PSI-6 AN o-ring boss inlet and outlet port sizes and has an 1/8" npt gauge port on the front of the regulator
      $95.46
    • (0 reviews)
      # mpn474700562
      Universal Fuel Pressure Efi Regulator by Big End Performance®. Fuel Pressure Regulator, 2-Port EFI, 30-65 PSI, Boost Reference, Black Anodized, Big End EFI adjustable pressure regulator is designed to regulate fuel pressure from 30...
      High quality at an affordable priceExpertly made from premium materials
      $124.84
    • (0 reviews)
      # mpn474700560
      Universal Fuel Pressure Regulator by Big End Performance®. Fuel Pressure Regulator Adjustable from 4.5 - 9 PSI 3/8" N PT inlet and outlet ports. Complete with mounting bracket and hardware. Manufactured By Holley.
      High quality at an affordable priceExpertly made from premium materials
      $34.05
    • (0 reviews)
      # 115476588
      Universal Fuel Pressure Regulator by Blackworks Racing®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      High quality at an affordable priceExpertly made from premium materials
      +6
      $49.00
    • (0 reviews)
      # mpn620678536
      Universal Boost Compensating Universal EFI Fuel Pressure Regulator by Holley®. Holley’s Street Avenger series carburetors have been taken to the next level. Street Avenger carburetors are known to bolt on right out of the box, so...
      Features a tumble polished finish - can also be hand polishedOptimized street calibration that works-out-of-the-box
      $246.95
    • (0 reviews)
      # 101343416
      Universal Carbureted Fuel Pressure Regulator by Holley®. Holley’s Street Avenger series carburetors have been taken to the next level. Street Avenger carburetors are known to bolt on right out of the box, so what could be better...
      Optimized street calibration that works-out-of-the-boxVacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included)
      $30.41 - $208.95




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    Carbureted systems may also require a fuel pressure regulator. Carburetors operate at much less fuel pressure, typically around 6 psi, and stock fuel pumps are designed to deliver fuel at this pressure. But install a larger mixer or multiple carbs and more fuel volume becomes necessary. Electric fuel pumps and even high volume mechanical pumps generally deliver fuel at pressure that is too high for carburetors to handle, and so a fuel pressure regulator is needed.

    We have pressure regulators to suit every type of fuel system and level of modifications, from direct fit upgrades to units designed for full custom high flow fuel systems. The main problem with OEM regulators is that they can’t be adjusted, and being able to increase fuel pressure may be all you need to do with moderately larger injectors to achieve the optimal air/fuel ratio. We offer adjustable regulators that are direct bolt-on replacements for the factory component on select applications, so you can tune your EFI car for peak performance. Many of these are manufactured from billet aluminum and come with attractive finishes to complement your engine.

    If you’re building a full custom designed electronic fuel injection system, we offer pressure regulators for everything from street/strip applications right up to 3000 horsepower drag racing engines. These regulators are adjustable, compatible with gasoline and alcohol, and available to complement a wide range of fuel pump flow rates and fuel system configurations. We have static regulators for returnless systems and for use with external fuel pumps connected to return lines, as well as bypass regulators with a port to return excess fuel to the tank. Many have vacuum/boost reference ports. These pumps are CNC machined from billet aluminum, with an attractive finish and feature as many as 4 inlet ports.

    Just as fuel pressure and volume are critical for EFI engines, so is maintaining the fuel level in the float bowls on carbureted engines. Performance driving, racing, and the G-forces created by hard acceleration and cornering can disrupt flow. A high volume fuel pump can make sure fuel stays at optimum levels, but fuel pressure must be regulated to prevent flooding. We offer pressure regulators specially designed for carbureted applications. These regulators are adjustable, have vacuum/boost reference ports and like their EFI counterparts are constructed from CNC machined billet aluminum. In addition to the bypass return port, they’re available with ports for use with single or dual carburetors.

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    Fuel Pressure Regulators Reviews

    Average rating:  5  5 - 7 reviews
    5 of 5
    Lb7 High Idle
    Works great easy to install, simple, should have been a factory piece.
    TPosted by Todd (Stevens Point, WI) / January 4, 2017
    2003 Chevy Silverado
    Was this review helpful for you? Yes
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